<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="#">
    用户名:<input type="text" name="username" id="username" value="" placeholder="请输入用户名">
    密码:<input type="password" name="password" id="password" value="123">
    <hr>
    <input type="radio" id="man" name="sex" checked>
    <label for="man">男</label><br>
    <input type="radio" id="woman" name="sex" >
    <label for="woman">女</label>
    <hr>
    <input type="checkbox" name="hobby" value="足球">足球<br>
    <input type="checkbox" name="hobby" value="篮球">篮球<br>
    <input type="checkbox" name="hobby" value="排球">排球<br>
    <hr>
    颜色:<input type="color" name="color">
    日期:<input type="date" name="date">
    文件:<input type="file" name="file"><br>
    喜欢的城市:<select name="city" id="city">
        <option value="北京">北京</option>
        <option value="上海">上海</option>
        <option value="深圳">深圳</option>
    </select>
    <hr>
    <input type="checkbox" id="agree">
    <label for="agree">我同意以上协议</label>
    <hr>
    <input type="button" value="普通按钮">
    <input type="reset" value="点我重置">
    <input type="submit" value="点击提交">
</form>
</body>
</html>